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22 March, 16:32

Mr. Lafond is building a rectangular dog run in his backyard. He uses 86 feet of fencing to enclose the dog run. The dog run is 25 feet long. How wide is the dog run?

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  1. 22 March, 19:13
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    Here,

    Perimeter (P) = 86 feet

    Length (l) = 25 feet

    Let, width (b) = x feet

    Then,

    Perimeter = 2 (l+b)

    86=2 (25+x)

    43=25+x

    x=18

    Hence, required width is 18 feet ...
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